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公开(公告)号:JP2001085020A
公开(公告)日:2001-03-30
申请号:JP2000254166
申请日:2000-08-24
Applicant: DMC2 DEGUSSA METALS CATALYSTS CERDEC AG
Inventor: ALBERS PETER , EMANUEL AUER , BEHL WALTER , VOGEL KARL DR , VOGLER CONNY DR
IPC: C22C5/04 , B01J21/18 , B01J23/42 , B01J37/03 , H01M4/88 , H01M4/90 , H01M4/92 , H01M4/96 , H01M8/1004 , H01M8/10
Abstract: PROBLEM TO BE SOLVED: To provide an electrode catalyst used in manufacturing fuel cells. SOLUTION: The electrode catalyst contains carbon black having a larger H content than 4000 ppm as a carbon carrier and platinum as a catalyst activating component or a platinum doped with two or more sorts of metal or turned into an alloy and is manufactured by precipitating noble metal(s) on the surface of the carbon black.
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公开(公告)号:JP2002177778A
公开(公告)日:2002-06-25
申请号:JP2001302215
申请日:2001-09-28
Applicant: DEGUSSA
Inventor: ALBERS PETER , EMANUEL AUER , GROSS MICHAEL , KRAUTER JURGEN , PACKRUHN UWE
IPC: B01J21/18 , B01J23/42 , B01J23/44 , B01J23/46 , B01J23/89 , B01J37/02 , B01J37/08 , B01J37/16 , C07B61/00 , C07C209/36 , C07C211/45 , C07C211/46 , C07C211/47 , C07C211/50 , C09C1/50
Abstract: PROBLEM TO BE SOLVED: To provide a process of preparing a hydrogenation catalyst on a carbon black carrier having the higher dispersibility of noble meals than that of known catalysts and having relatively high activity and selectivity. SOLUTION: This hydrogenation catalyst contains carbon black having an H content exceeding 4,000 ppm as a carbon carrier and palladium and/or platinum or the palladium and/or platinum doped or alloyed by bimetals and/or multimetals as an active component for the catalyst.
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公开(公告)号:JP2001123091A
公开(公告)日:2001-05-08
申请号:JP2000254510
申请日:2000-08-24
Applicant: DEGUSSA
Inventor: VOGEL KARL DR , AUER EMMANUEL DR , STARZ KARL-ANTON DR , ALBERS PETER , BERGEMANN KLAUS , VOGLER CONNY DR
Abstract: PROBLEM TO BE SOLVED: To produce a carbon black which exhibits a high activity when used as a support material for an electrolytic catalyst in a fuel cell. SOLUTION: In producing a carbon black having an H content higher than 4,000 ppm and a peak integration ratio of non-conjugated H atoms (1,250-2,000 cm-1) to H atoms of aromatic hydrocarbons and graphitized hydrocarbons (1,000-1,250 cm-1 and 750-1,000 cm-1) lower than 1.22, a liquid material for carbon black and a gaseous material for carbon black are supplied at the same position in a furnace carbon black production process.
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公开(公告)号:MX2013008898A
公开(公告)日:2013-08-21
申请号:MX2013008898
申请日:2011-12-07
Applicant: EVONIK DEGUSSA GMBH
Inventor: KATUSIC STIPAN , KRESS PETER , ALBERS PETER , HERZOG HARALD
IPC: C01G49/00 , C01G49/02 , C04B35/628 , C09C1/24
Abstract: La invención se relaciona con partículas de óxido de hierro-silicio que comprenden un núcleo y una corteza externa, el núcleo contiene las modificaciones de óxido de hierro maghemita, magnetita y hematita, y la corteza externa consiste sustancialmente o exclusivamente de dióxido de silicio amorfo y para lo cual se comprueba que a) H0.20nm/H0.25nm = 0.2, en donde H0.20nm = brillantez del anillo de difracción de Debye-Scherrer determinada por difracción de electrones con un espaciamiento del plano reticular de 0.20+/-0.02 nm, comprendiendo maghemita y magnetita, y H0.25nm = brillantez del anillo de difracción de Debye-Scherrer determinado por difracción de electrones con un espaciamiento del plano reticular de 0.25+/-0.02 nm, que comprende maghemita, magnetita y hematita, y b) el diámetro del cristalito de la hematita, determinado por difractometría de rayos X, es mayor que 120 nm. Las partículas se producen porque, en una primera zona 1, una mezcla que contiene 0-30 % de la cantidad total de compuestos de silicio, compuestos de hierro, gases combustibles y uno o más gases que contienen oxígeno se enciende y se deja reaccionar y, en una segunda zona, 70-100 % de la cantidad total de compuestos de silicio se añade a esta mezcla de reacción y, en la zona 3, el material sólido se separa de las sustancias gaseosas o vaporosas en la mezcla de reacción. La invención se relaciona además con caucho de silicona que contiene las partículas de óxido de hierro-silicio.
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公开(公告)号:PL2484637T3
公开(公告)日:2013-09-30
申请号:PL11153169
申请日:2011-02-03
Applicant: EVONIK DEGUSSA GMBH
Inventor: KATUSIC STIPAN , KRESS PETER , ALBERS PETER , HERZOG HARALD
IPC: C01G49/00 , C01G49/02 , C04B35/628 , C09C1/24
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公开(公告)号:DE10343728A1
公开(公告)日:2005-04-21
申请号:DE10343728
申请日:2003-09-22
Applicant: DEGUSSA
Inventor: KATUSIC STIPAN , KRAEMER MICHAEL , KRES PETER , MIESS HORST , ZIMMERMANN GUIDO , ALBERS PETER
Abstract: Pyrogenically prepared zinc oxide powder having a BET surface area of from 10 to 200 m 2 /g, which is in the form of aggregates, the aggregates being composed of particles having different morphologies, and 0-10% of the aggregates being in a circular form, 30-50% being in an ellipsoidal form, 30-50% being in a linear form and 20-30% being in a branched form. It is prepared by reacting a starting mixture containing zinc vapour, a combustible gas and steam or a mixture of steam and carbon dioxide in a flame with an oxygen-containing gas in an oxidation zone, cooling the hot reaction mixture in a quenching zone and separating the solid material from the gas stream, the amount of oxygen in the oxidation zone being greater than the amount necessary for the complete oxidation of the combustible gas and the zinc vapour. The zinc oxide powder can be used as a constituent of sun protection compositions for protection against UV radiation.
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公开(公告)号:DE10251029A1
公开(公告)日:2004-05-19
申请号:DE10251029
申请日:2002-11-02
Applicant: DEGUSSA
Inventor: KATUSIC STIPAN , MICHAEL GUENTHER , MIESS HORST , SCHOLZ MARIO , KUNZMANN KURT , ALBERS PETER
Abstract: Pyrogenically-produced cerium oxide of BET surface area 15-200 m2/g comprises: (a) a coarse fraction of crystalline, non- aggregated particles of average diameter 30-200 nm; and (b) a fine fraction of fine, crystalline aggregated primary particles of average aggregate diameter 5-50 nm. An Independent claim is also included for production of the cerium oxide.
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公开(公告)号:DE602004009944T2
公开(公告)日:2008-08-28
申请号:DE602004009944
申请日:2004-09-02
Applicant: EVONIK DEGUSSA GMBH
Inventor: KATUSIC STIPAN , KRAEMER MICHAEL , KRESS PETER , MIESS HORST , ZIMMERMANN GUIDO , ALBERS PETER
Abstract: Pyrogenically prepared zinc oxide powder having a BET surface area of from 10 to 200 m 2 /g, which is in the form of aggregates, the aggregates being composed of particles having different morphologies, and 0-10% of the aggregates being in a circular form, 30-50% being in an ellipsoidal form, 30-50% being in a linear form and 20-30% being in a branched form. It is prepared by reacting a starting mixture containing zinc vapour, a combustible gas and steam or a mixture of steam and carbon dioxide in a flame with an oxygen-containing gas in an oxidation zone, cooling the hot reaction mixture in a quenching zone and separating the solid material from the gas stream, the amount of oxygen in the oxidation zone being greater than the amount necessary for the complete oxidation of the combustible gas and the zinc vapour. The zinc oxide powder can be used as a constituent of sun protection compositions for protection against UV radiation.
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9.
公开(公告)号:ES2295908T3
公开(公告)日:2008-04-16
申请号:ES04764712
申请日:2004-09-02
Applicant: EVONIK DEGUSSA GMBH
Inventor: KATUSIC STIPAN , KRAMER MICHAEL , KRESS PETER , MIESS HORST , ZIMMERMANN GUIDO , ALBERS PETER
Abstract: Polvo de óxido de cinc preparado pirogénicamente que tiene una superficie específica BET de 10 a 200 m2/g, caracterizado porque - se encuentra en forma de agregados, - los agregados se componen de partículas que tienen morfologías diferentes, y - 0-10% de los agregados se encuentran en forma circular, - 30-50% de los agregados se encuentran en forma elipsoidal, - 30-50% de los agregados se encuentran en forma lineal, - 20-30% de los agregados se encuentran en forma ramificada.
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公开(公告)号:CA2317351C
公开(公告)日:2007-10-23
申请号:CA2317351
申请日:2000-08-24
Applicant: DEGUSSA
Inventor: ALBERS PETER , STARZ KARL-ANTON , VOGLER CONNY , BERGEMANN KLAUS , VOGEL KARL , AUER EMMANUEL
Abstract: Furnace carbon black which has an H content of greater than 4000 ppm and a peak integral ratio of non-conjugated H atoms (1250-2000 cm-1) to aromatic and graphitic H atoms (1000-1250 cm-1 and 750-1000 cm-1) of less than 1.22. It is produced by injecting the liquid carbon black raw material and the gaseous carbon black raw material at the same point in a furnace carbon black process. The furnace carbon black may be used in the preparation of electrocatalysts.
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